Home / 132,913.46-183,434.81-81,260.87

Finding the Fourth Proportional to 132,913.46, 183,434.81 and 81,260.87

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Solution

The fourth proportional to 132,913.46, 183,434.81 and 81,260.87 is: 112,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,913.46 : 183,434.81 = 81,260.87 : x
  2. Step 2: Convert to fraction form
    132,913.46/183,434.81 = 81,260.87/x
  3. Step 3: Cross multiply
    132,913.46x = 183,434.81 × 81,260.87
  4. Step 4: Simplify right side
    132,913.46x = 14,906,072,248.88
  5. Step 5: Solve for x
    x = 14,906,072,248.88/132,913.46
  6. Step 6: Final answer
    x = 112,148.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.